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Finding the Fourth Proportional to 84,614.78, 116,769.90 and 46,371.79

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Solution

The fourth proportional to 84,614.78, 116,769.90 and 46,371.79 is: 63,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,614.78 : 116,769.90 = 46,371.79 : x
  2. Step 2: Convert to fraction form
    84,614.78/116,769.90 = 46,371.79/x
  3. Step 3: Cross multiply
    84,614.78x = 116,769.90 × 46,371.79
  4. Step 4: Simplify right side
    84,614.78x = 5,414,829,600.98
  5. Step 5: Solve for x
    x = 5,414,829,600.98/84,614.78
  6. Step 6: Final answer
    x = 63,993.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.